<template>
    <div>
        <el-button type="text" @click="dialogVisible = true">点击打开 Dialog</el-button>
        <el-dialog
        title="提示"
        :visible="dialogVisible"
        width="30%"
        :before-close="handleClose">
        <span>这是一段信息</span>
        <span slot="footer" class="dialog-footer">
            <el-button @click="dialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
        </span>
        </el-dialog>
    </div>
</template>

<script>
    export default {
        data() {
      return {
        dialogVisible: false
      };
    },
    methods: {
      handleClose(done) {
        this.$confirm('确认关闭？')
          .then(_ => {
              this.dialogVisible = false;
            done();
          })
          .catch(_ => {});
      }
    }
    }
</script>

<style scoped>

</style>